/// <summary>
/// Add a new Alert Event to this Driver's History.
/// </summary>
/// <param name="ae"></param>
/// <returns>New Average Score of the driver</returns>
public double AddEvent(AlertEvent ae)
{
_driversEvents.Add(ae);
recalculateAverage();
return _avgScore;
}
public double AnalyzeFrontPicture(WriteableBitmap bitmap)
{
// Foreach Alerter, try to analize the value.
List<AlertEvent> alertEvents = new List<AlertEvent>();
foreach (IAlerter alerter in frontAlerters)
{
alerter.GetData();
AlertEvent alertEvent = new AlertEvent()
{
AlertLevel = alerter.ProcessData(bitmap),
AlertTime = DateTime.Now,
AlertType = alerter.GetAlerterType(),
Driver = _currentDriver
};
//uploadEventToDatabase(alertEvent);
if (alertEvent.AlertLevel >= ALERT_THRESHOLD)
{
if (isGPSEnabled())
{
//Get GPS Location
var task = Task.Run(async () => { myLocation = await getLocationTask(); });
task.Wait() ;
alertEvent.AlertLocation = myLocation.Coordinate;
myLocation = null;
}
_currentDrive.Events.Add(alertEvent);
alertEvents.Add(alertEvent);
}
}
// Calculate the safety score (for all valid values).
return calculateSafetyScore(alertEvents.Where(_event => _event.AlertLevel >= 0));
}
private async void uploadEventToDatabase(AlertEvent alertEvent)
{
await alertEventsTable.InsertAsync(alertEvent);
}
private void frontCam_ThumbnailAvailable(object sender, ContentReadyEventArgs e)
{
this.Dispatcher.BeginInvoke(delegate()
{
if (frontCam == null)
{
//MessageBox.Show("ERROR: Camera is not available", "ERROR", MessageBoxButton.OK);
ShowToastMessage("Error Starting Front Camera", "Front Camera could not be initialized");
return;
}
// Initialize a new Bitmap image
WriteableBitmap bitmap = new WriteableBitmap((int)frontCam.PreviewResolution.Width,
(int)frontCam.PreviewResolution.Height);
// Get the bitmap from the camera
frontCam.GetPreviewBufferArgb32(bitmap.Pixels);
// Foreach Alerter, try to analize the value.
List<AlertEvent> alertEvents = new List<AlertEvent>();
foreach (IAlerter alerter in frontAlerters)
{
alerter.GetData();
AlertEvent alertEvent = new AlertEvent()
{
AlertLevel = alerter.ProcessData(bitmap),
AlertTime = DateTime.Now,
AlertType = alerter.GetAlerterType(),
Driver = _currentDriver
};
if (alertEvent.AlertLevel >= ALERT_THRESHOLD)
_currentDrive.Events.Add(alertEvent);
alertEvents.Add(alertEvent);
}
// Calculate the safety score (for all valid values).
double res = calculateSafetyScore(alertEvents.Where(_event => _event.AlertLevel != -1));
// Update the UI
updateScreen(res);
});
}
